800428635 has 48 divisors (see below), whose sum is σ = 1501403904. Its totient is φ = 408320352.

The previous prime is 800428627. The next prime is 800428661. The reversal of 800428635 is 536824008.

It is not a de Polignac number, because 800428635 - 2³ = 800428627 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 800428635.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13624 + ... + 42266.

It is an arithmetic number, because the mean of its divisors is an integer number (31279248).

Almost surely, 2^800428635 is an apocalyptic number.

800428635 is a deficient number, since it is larger than the sum of its proper divisors (700975269).

800428635 is a wasteful number, since it uses less digits than its factorization.

800428635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28686 (or 28674 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 800428635 is about 28291.8475006494. The cubic root of 800428635 is about 928.4835327398.

The spelling of 800428635 in words is "eight hundred million, four hundred twenty-eight thousand, six hundred thirty-five".